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<a aria-hidden="true" tabindex="-1" href="#json-备忘清单"><span class="icon icon-link"></span></a>JSON 备忘清单</h1><div class="wrap-body">
<p>这是理解和编写 JSON 格式配置文件的快速参考备忘单。</p>
</div></header><div class="menu-tocs"><div class="menu-btn"><svg aria-hidden="true" fill="currentColor" height="1em" width="1em" viewBox="0 0 16 16" version="1.1" data-view-component="true">
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</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#入门">入门</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#介绍">介绍</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#示例">示例</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#类型">类型</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#字符串">字符串</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#示例-1">示例</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#无效字符串">无效字符串</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#数字">数字</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#示例-2">示例</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#无效的数字">无效的数字</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#对象-objects">对象 Objects</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#数组-arrays">数组 Arrays</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#对象数组">对象数组</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#数组对象">数组对象</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#二维阵列">二维阵列</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#对象的对象">对象的对象</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#嵌套">嵌套</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#在-javascript-中访问-json">在 JavaScript 中访问 JSON</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#访问对象">访问对象</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#访问嵌套">访问嵌套</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#访问对象数组">访问对象数组</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#访问阵列">访问阵列</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="入门"><a aria-hidden="true" tabindex="-1" href="#入门"><span class="icon icon-link"></span></a>入门</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="介绍"><a aria-hidden="true" tabindex="-1" href="#介绍"><span class="icon icon-link"></span></a>介绍</h3><div class="wrap-body">
<p><a href="https://json.org/">JSON</a> 是一种基于文本的轻量级开放标准，专为人类可读的数据交换而设计。</p>
<ul>
<li>JSON 代表 JavaScript 对象表示法</li>
<li>JSON 易于读写。</li>
<li>JSON 是与语言无关的数据交换格式</li>
<li>JSON 文件扩展名为 <code>.json</code></li>
<li>JSON Internet 媒体类型为 <code>application/json</code></li>
</ul>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="示例"><a aria-hidden="true" tabindex="-1" href="#示例"><span class="icon icon-link"></span></a>示例</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Jason"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"age"</span><span class="token operator">:</span> <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"height"</span><span class="token operator">:</span> <span class="token number">1.92</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"gender"</span><span class="token operator">:</span> <span class="token string">"M"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"salary"</span><span class="token operator">:</span> <span class="token number">70000</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"married"</span><span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"children"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
</span><span class="code-line">    <span class="token punctuation">{</span><span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Tom"</span><span class="token punctuation">,</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token number">9</span><span class="token punctuation">,</span> <span class="token property">"gender"</span><span class="token operator">:</span><span class="token string">"M"</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token punctuation">{</span><span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Ava"</span><span class="token punctuation">,</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token number">7</span><span class="token punctuation">,</span> <span class="token property">"gender"</span><span class="token operator">:</span><span class="token string">"F"</span><span class="token punctuation">}</span>
</span><span class="code-line">  <span class="token punctuation">]</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="类型"><a aria-hidden="true" tabindex="-1" href="#类型"><span class="icon icon-link"></span></a>类型</h3><div class="wrap-body">





































<table><thead><tr><th>类型</th><th>描述</th></tr></thead><tbody><tr><td><code>Number</code></td><td>双精度浮点</td></tr><tr><td><code>String</code></td><td>字符系列</td></tr><tr><td><code>Boolean</code></td><td>“true”或“false”</td></tr><tr><td><code>Array</code></td><td>有序的值序列</td></tr><tr><td><code>Value</code></td><td>字符串、数字、布尔值、空值等</td></tr><tr><td><code>Object</code></td><td>键/值对的无序集合</td></tr><tr><td><code>null</code></td><td>Null 或 Empty</td></tr></tbody></table>
</div></div></div><div class="wrap h3body-exist" style="grid-row: span 3/span 3;"><div class="wrap-header h3wrap"><h3 id="字符串"><a aria-hidden="true" tabindex="-1" href="#字符串"><span class="icon icon-link"></span></a>字符串</h3><div class="wrap-body">
<!--rehype:wrap-style=grid-row: span 3/span 3;-->













































<table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><code>\"</code></td><td>双引号 Double quote</td></tr><tr><td><code>\\</code></td><td>反斜杠 Backslash</td></tr><tr><td><code>\/</code></td><td>正斜杠 Forward slash</td></tr><tr><td><code>\b</code></td><td>退格 Backspace</td></tr><tr><td><code>\f</code></td><td>换页 Form feed</td></tr><tr><td><code>\n</code></td><td>换行 Newline</td></tr><tr><td><code>\r</code></td><td>回车 Carriage return</td></tr><tr><td><code>\t</code></td><td>标签 Tab</td></tr><tr><td><code>\u</code></td><td>后跟四个十六进制数字</td></tr></tbody></table>
<h4 id="示例-1"><a aria-hidden="true" tabindex="-1" href="#示例-1"><span class="icon icon-link"></span></a>示例</h4>
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"url"</span><span class="token operator">:</span> <span class="token string">"https://jaywcjlove.github.io"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"msg"</span> <span class="token operator">:</span> <span class="token string">"Hi,\n\"Quick Reference\""</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"intro"</span><span class="token operator">:</span> <span class="token string">"Share quick reference and cheat sheet for developers."</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
<h4 id="无效字符串"><a aria-hidden="true" tabindex="-1" href="#无效字符串"><span class="icon icon-link"></span></a>无效字符串</h4>
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span> <span class="token property">"foo"</span><span class="token operator">:</span> 'bar' <span class="token punctuation">}</span>
</span></code></pre>
<p>Have to be delimited by double quotes</p>
</div></div></div><div class="wrap h3body-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="数字"><a aria-hidden="true" tabindex="-1" href="#数字"><span class="icon icon-link"></span></a>数字</h3><div class="wrap-body">
<!--rehype:wrap-class=row-span-2-->





















<table class="show-header "><thead><tr><th>类型</th><th>说明</th></tr></thead><tbody><tr><td><code>Integer</code></td><td>数字 1-9、0 和正数或负数</td></tr><tr><td><code>Fraction</code></td><td>0.3、3.9 等分数</td></tr><tr><td><code>Exponent</code></td><td>指数，如 e、e+、e-、E、E+、E</td></tr></tbody></table>
<!--rehype:className=show-header -->
<h4 id="示例-2"><a aria-hidden="true" tabindex="-1" href="#示例-2"><span class="icon icon-link"></span></a>示例</h4>
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"positive"</span> <span class="token operator">:</span> <span class="token number">12</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"negative"</span> <span class="token operator">:</span> <span class="token number">-1</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"fraction"</span> <span class="token operator">:</span> <span class="token number">10.25</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"exponent"</span> <span class="token operator">:</span> <span class="token number">1.0E+2</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"zero"</span> <span class="token operator">:</span> <span class="token number">0</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
<h4 id="无效的数字"><a aria-hidden="true" tabindex="-1" href="#无效的数字"><span class="icon icon-link"></span></a>无效的数字</h4>
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span> <span class="token property">"foo"</span><span class="token operator">:</span> 0xFF <span class="token punctuation">}</span>
</span></code></pre>
<p>在JSON中，只能使用十进制文字</p>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="对象-objects"><a aria-hidden="true" tabindex="-1" href="#对象-objects"><span class="icon icon-link"></span></a>对象 Objects</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"color"</span><span class="token operator">:</span> <span class="token string">"Purple"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"id"</span><span class="token operator">:</span> <span class="token string">"210"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"composition"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token property">"R"</span><span class="token operator">:</span> <span class="token number">70</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"G"</span><span class="token operator">:</span> <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"B"</span><span class="token operator">:</span> <span class="token number">89</span>
</span><span class="code-line">  <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"empty_object"</span><span class="token operator">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
<p>用逗号分隔的多个键/值对</p>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="数组-arrays"><a aria-hidden="true" tabindex="-1" href="#数组-arrays"><span class="icon icon-link"></span></a>数组 Arrays</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">4</span><span class="token punctuation">,</span> <span class="token number">5</span><span class="token punctuation">]</span>
</span></code></pre>
<p>以 <code>[</code> 开始并以 <code>]</code> 结束</p>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="对象数组"><a aria-hidden="true" tabindex="-1" href="#对象数组"><span class="icon icon-link"></span></a>对象数组</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"children"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
</span><span class="code-line">    <span class="token punctuation">{</span> <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Jimmy Smith"</span><span class="token punctuation">,</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token number">15</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token punctuation">{</span> <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Sammy Sosa"</span><span class="token punctuation">,</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token number">12</span> <span class="token punctuation">}</span>
</span><span class="code-line">  <span class="token punctuation">]</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="数组对象"><a aria-hidden="true" tabindex="-1" href="#数组对象"><span class="icon icon-link"></span></a>数组对象</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"attributes"</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">"a1"</span><span class="token punctuation">,</span> <span class="token string">"a2"</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"methods"</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">"getter"</span><span class="token punctuation">,</span> <span class="token string">"setter"</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"empty_array"</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="二维阵列"><a aria-hidden="true" tabindex="-1" href="#二维阵列"><span class="icon icon-link"></span></a>二维阵列</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"my_sequences"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
</span><span class="code-line">    <span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token punctuation">[</span><span class="token number">4</span><span class="token punctuation">,</span> <span class="token number">5</span><span class="token punctuation">,</span> <span class="token number">6</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token punctuation">[</span><span class="token number">7</span><span class="token punctuation">,</span> <span class="token number">8</span><span class="token punctuation">,</span> <span class="token number">9</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token punctuation">[</span><span class="token number">10</span><span class="token punctuation">,</span> <span class="token number">11</span><span class="token punctuation">]</span>
</span><span class="code-line">  <span class="token punctuation">]</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="对象的对象"><a aria-hidden="true" tabindex="-1" href="#对象的对象"><span class="icon icon-link"></span></a>对象的对象</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"Mark McGwire"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token property">"hr"</span><span class="token operator">:</span> <span class="token number">65</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"avg"</span><span class="token operator">:</span> <span class="token number">0.278</span>
</span><span class="code-line">  <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token property">"Sammy Sosa"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token property">"hr"</span><span class="token operator">:</span> <span class="token number">63</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"avg"</span><span class="token operator">:</span> <span class="token number">0.288</span>
</span><span class="code-line">  <span class="token punctuation">}</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="嵌套"><a aria-hidden="true" tabindex="-1" href="#嵌套"><span class="icon icon-link"></span></a>嵌套</h3><div class="wrap-body">
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token property">"Jack"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token property">"id"</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"name"</span><span class="token operator">:</span> <span class="token string">"Franc"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"salary"</span><span class="token operator">:</span> <span class="token number">25000</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"hobby"</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">"a"</span><span class="token punctuation">,</span> <span class="token string">"b"</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token property">"location"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">        <span class="token property">"country"</span><span class="token operator">:</span> <span class="token string">"A"</span><span class="token punctuation">,</span> <span class="token property">"city"</span><span class="token operator">:</span> <span class="token string">"A-A"</span>
</span><span class="code-line">    <span class="token punctuation">}</span>
</span><span class="code-line">  <span class="token punctuation">}</span>
</span><span class="code-line"><span class="token punctuation">}</span>
</span></code></pre>
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="在-javascript-中访问-json"><a aria-hidden="true" tabindex="-1" href="#在-javascript-中访问-json"><span class="icon icon-link"></span></a>在 JavaScript 中访问 JSON</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="访问对象"><a aria-hidden="true" tabindex="-1" href="#访问对象"><span class="icon icon-link"></span></a>访问对象</h3><div class="wrap-body">
<pre class="language-javascript"><code class="language-javascript code-highlight"><span class="code-line"><span class="token keyword">let</span> myObject <span class="token operator">=</span> <span class="token punctuation">{</span>
</span><span class="code-line">  <span class="token string-property property">"name"</span><span class="token operator">:</span> <span class="token string">"Jason"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string-property property">"last"</span><span class="token operator">:</span> <span class="token string">"Doe"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string-property property">"age"</span><span class="token operator">:</span> <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string-property property">"gender"</span><span class="token operator">:</span> <span class="token string">"M"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string-property property">"salary"</span><span class="token operator">:</span> <span class="token number">70000</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string-property property">"married"</span><span class="token operator">:</span> <span class="token boolean">true</span>
</span><span class="code-line"><span class="token punctuation">}</span><span class="token punctuation">;</span>
</span></code></pre>
<hr>





























<table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><code>myObject.name</code></td><td>"Jason"</td></tr><tr><td><code>myObject["name"]</code></td><td>"Jason"</td></tr><tr><td><code>myObject.age</code></td><td>39</td></tr><tr><td><code>myObject.other</code></td><td>undefined</td></tr><tr><td><code>myObject[0]</code></td><td>undefined</td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist" style="grid-row: span 2/span 2;"><div class="wrap-header h3wrap"><h3 id="访问嵌套"><a aria-hidden="true" tabindex="-1" href="#访问嵌套"><span class="icon icon-link"></span></a>访问嵌套</h3><div class="wrap-body">
<!--rehype:wrap-style=grid-row: span 2/span 2;-->
<pre class="language-javascript"><code class="language-javascript code-highlight"><span class="code-line"><span class="token keyword">let</span> myObject <span class="token operator">=</span> <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token string-property property">"ref"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
</span><span class="code-line">        <span class="token string-property property">"name"</span><span class="token operator">:</span> <span class="token number">0</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string-property property">"last"</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string-property property">"age"</span><span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string-property property">"gender"</span><span class="token operator">:</span> <span class="token number">3</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string-property property">"salary"</span><span class="token operator">:</span> <span class="token number">4</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string-property property">"married"</span><span class="token operator">:</span> <span class="token number">5</span>
</span><span class="code-line">    <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"jdoe"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
</span><span class="code-line">        <span class="token string">"Jason"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string">"Doe"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string">"M"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token number">70000</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token boolean">true</span>
</span><span class="code-line">    <span class="token punctuation">]</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"jsmith"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
</span><span class="code-line">        <span class="token string">"Tom"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string">"Smith"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token number">42</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token string">"F"</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token number">80000</span><span class="token punctuation">,</span>
</span><span class="code-line">        <span class="token boolean">true</span>
</span><span class="code-line">    <span class="token punctuation">]</span>
</span><span class="code-line"><span class="token punctuation">}</span><span class="token punctuation">;</span>
</span></code></pre>
<hr>





























<table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><code>myObject.ref.age</code></td><td>2</td></tr><tr><td><code>myObject["ref"]["age"]</code></td><td>2</td></tr><tr><td><code>myObject.jdoe</code></td><td>["Jason", "Doe", 39 ...]</td></tr><tr><td><code>myObject.jsmith[3]</code></td><td>"F"</td></tr><tr><td><code>myObject[1]</code></td><td>undefined</td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist" style="grid-row: span 2/span 2;"><div class="wrap-header h3wrap"><h3 id="访问对象数组"><a aria-hidden="true" tabindex="-1" href="#访问对象数组"><span class="icon icon-link"></span></a>访问对象数组</h3><div class="wrap-body">
<!--rehype:wrap-style=grid-row: span 2/span 2;-->
<pre class="language-javascript"><code class="language-javascript code-highlight"><span class="code-line"><span class="token keyword">let</span> myArray <span class="token operator">=</span> <span class="token punctuation">[</span>
</span><span class="code-line">  <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token string-property property">"name"</span><span class="token operator">:</span> <span class="token string">"Jason"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"last"</span><span class="token operator">:</span> <span class="token string">"Doe"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"age"</span><span class="token operator">:</span> <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"gender"</span><span class="token operator">:</span> <span class="token string">"M"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"salary"</span><span class="token operator">:</span> <span class="token number">70000</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"married"</span><span class="token operator">:</span> <span class="token boolean">true</span>
</span><span class="code-line">  <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token string-property property">"name"</span><span class="token operator">:</span> <span class="token string">"Tom"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"last"</span><span class="token operator">:</span> <span class="token string">"Smith"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"age"</span><span class="token operator">:</span> <span class="token number">42</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"gender"</span><span class="token operator">:</span> <span class="token string">"F"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"salary"</span><span class="token operator">:</span> <span class="token number">80000</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"married"</span><span class="token operator">:</span> <span class="token boolean">true</span>
</span><span class="code-line">  <span class="token punctuation">}</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token punctuation">{</span>
</span><span class="code-line">    <span class="token string-property property">"name"</span><span class="token operator">:</span> <span class="token string">"Amy"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"last"</span><span class="token operator">:</span> <span class="token string">"Burnquist"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"age"</span><span class="token operator">:</span> <span class="token number">29</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"gender"</span><span class="token operator">:</span> <span class="token string">"F"</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"salary"</span><span class="token operator">:</span> <span class="token number">60000</span><span class="token punctuation">,</span>
</span><span class="code-line">    <span class="token string-property property">"married"</span><span class="token operator">:</span> <span class="token boolean">false</span>
</span><span class="code-line">  <span class="token punctuation">}</span>
</span><span class="code-line"><span class="token punctuation">]</span><span class="token punctuation">;</span>
</span></code></pre>
<hr>





























<table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><code>myArray[0]</code></td><td><code>{</code>"name": "Jason", ...<code>}</code></td></tr><tr><td><code>myArray[1].name</code></td><td>"Tom"</td></tr><tr><td><code>myArray[1][2]</code></td><td>42</td></tr><tr><td><code>myArray[3]</code></td><td>undefined</td></tr><tr><td><code>myArray[3].gender</code></td><td>TypeError: Cannot read...</td></tr></tbody></table>
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="访问阵列"><a aria-hidden="true" tabindex="-1" href="#访问阵列"><span class="icon icon-link"></span></a>访问阵列</h3><div class="wrap-body">
<pre class="language-javascript"><code class="language-javascript code-highlight"><span class="code-line"><span class="token keyword">let</span> myArray <span class="token operator">=</span> <span class="token punctuation">[</span>
</span><span class="code-line">  <span class="token string">"Jason"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string">"Doe"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token number">39</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token string">"M"</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token number">70000</span><span class="token punctuation">,</span>
</span><span class="code-line">  <span class="token boolean">true</span>
</span><span class="code-line"><span class="token punctuation">]</span><span class="token punctuation">;</span>
</span></code></pre>
<hr>





















<table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><code>myArray[1]</code></td><td>"Doe"</td></tr><tr><td><code>myArray[5]</code></td><td>true</td></tr><tr><td><code>myArray[6]</code></td><td>undefined</td></tr></tbody></table>
</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
<ul>
<li><a href="https://www.json.org/json-en.html">JSON</a> <em>(json.org)</em></li>
<li><a href="http://jsoneditoronline.org/">JSON Editor Online</a> <em>(jsoneditoronline.org)</em></li>
<li><a href="https://tableconvert.com/json-to-markdown">Convert JSON Array to Markdown Table, CSV and more</a> <em>(tableconvert.com)</em></li>
</ul>
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